﻿<!DOCTYPE html>
<html>
<head>

<style>

body {
  width: 5em;
  font-family: monospace;
  border: 1px solid yellow; 
}

body:first-letter { 
  color: blue; 
}

</style>

</head>
<body>

<span><span><span id="sss">Aaa </span></span>Bbbbbbbbbbbbbb<span></span></span>

<script>
document.body.offsetWidth;
sss = document.getElementById("sss");
sss.parentNode.removeChild(sss);
</script>

</body>
</html>
